CN113826385A - 点云编解码方法、编码器、解码器及计算机存储介质 - Google Patents
点云编解码方法、编码器、解码器及计算机存储介质 Download PDFInfo
- Publication number
- CN113826385A CN113826385A CN202080035529.0A CN202080035529A CN113826385A CN 113826385 A CN113826385 A CN 113826385A CN 202080035529 A CN202080035529 A CN 202080035529A CN 113826385 A CN113826385 A CN 113826385A
- Authority
- CN
- China
- Prior art keywords
- sequence
- point cloud
- processing
- cloud data
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 226
- 238000003860 storage Methods 0.000 title claims abstract description 44
- 238000012545 processing Methods 0.000 claims abstract description 559
- 230000008569 process Effects 0.000 claims abstract description 111
- 238000011084 recovery Methods 0.000 claims abstract description 32
- 230000009466 transformation Effects 0.000 claims description 94
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 238000004590 computer program Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 8
- 230000000153 supplemental effect Effects 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 5
- 238000013507 mapping Methods 0.000 claims description 5
- 230000001131 transforming effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 36
- 238000013139 quantization Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000007781 pre-processing Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000011426 transformation method Methods 0.000 description 2
- 241000023320 Luma <angiosperm> Species 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/001—Model-based coding, e.g. wire frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Abstract
本申请实施例公开了一种点云编解码方法、编码器、解码器及计算机存储介质，编码器确定点云编码过程中对点云数据的处理顺序；处理顺序指示点云数据的三维坐标的坐标轴处理顺序，点云数据是点云中的全部数据或部分数据；确定处理顺序对应的坐标轴顺序索引序号；对坐标轴顺序索引序号进行编码，将编码比特写入码流；根据处理顺序，对点云数据进行处理，得到待编码点云数据；对待编码点云数据进行编码，将编码比特写入码流。解码器解析码流，获得坐标轴顺序索引序号；根据坐标轴顺序索引序号，确定点云解码过程中对点云数据的处理顺序；解析码流，获得点云数据的恢复数据；根据处理顺序，确定点云数据的坐标数据在恢复数据的存储单元中的位置。
Description
PCT国内申请，说明书已公开。
Claims (49)
- PCT国内申请，权利要求书已公开。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037486.0A CN114339215B (zh) | 2019-07-03 | 2020-05-15 | 点云编解码方法、编码器、解码器及计算机存储介质 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962870553P | 2019-07-03 | 2019-07-03 | |
| US62/870,553 | 2019-07-03 | ||
| PCT/CN2020/090677 WO2021000658A1 (zh) | 2019-07-03 | 2020-05-15 | 点云编解码方法、编码器、解码器及计算机存储介质 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037486.0A Division CN114339215B (zh) | 2019-07-03 | 2020-05-15 | 点云编解码方法、编码器、解码器及计算机存储介质 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113826385A true CN113826385A (zh) | 2021-12-21 |
Family
ID=74100862
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080035529.0A Pending CN113826385A (zh) | 2019-07-03 | 2020-05-15 | 点云编解码方法、编码器、解码器及计算机存储介质 |
| CN202210037486.0A Active CN114339215B (zh) | 2019-07-03 | 2020-05-15 | 点云编解码方法、编码器、解码器及计算机存储介质 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037486.0A Active CN114339215B (zh) | 2019-07-03 | 2020-05-15 | 点云编解码方法、编码器、解码器及计算机存储介质 |
Country Status (6)
| Country | Link |
|---|---|
| US (4) | US11509939B2 (zh) |
| EP (1) | EP3979638A4 (zh) |
| JP (2) | JP7490685B2 (zh) |
| KR (1) | KR20220029595A (zh) |
| CN (2) | CN113826385A (zh) |
| WO (1) | WO2021000658A1 (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115102935A (zh) * | 2022-06-17 | 2022-09-23 | 腾讯科技（深圳）有限公司 | 一种点云编码方法、点云解码方法及相关设备 |
| WO2024011370A1 (zh) * | 2022-07-11 | 2024-01-18 | Oppo广东移动通信有限公司 | 视频图像处理方法及装置、编解码器、码流、存储介质 |
| WO2024037247A1 (zh) * | 2022-08-19 | 2024-02-22 | 腾讯科技（深圳）有限公司 | 一种点云媒体的数据处理方法及相关设备 |
| WO2024037091A1 (zh) * | 2022-08-19 | 2024-02-22 | 腾讯科技（深圳）有限公司 | 一种点云处理方法、装置及计算机设备、存储介质 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021029511A1 (ko) * | 2019-08-09 | 2021-02-18 | 엘지전자 주식회사 | 포인트 클라우드 데이터 전송 장치, 포인트 클라우드 데이터 전송 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법 |
| EP4040793A4 (en) * | 2019-09-30 | 2023-01-11 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | TRANSFORMATION METHOD, INVERSE TRANSFORMATION METHOD, ENCODER, DECODER AND STORAGE MEDIUM |
| US20230290006A1 (en) * | 2020-09-03 | 2023-09-14 | Lg Electronics Inc. | Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method |
| CN113096198B (zh) * | 2021-03-01 | 2022-08-30 | 中山大学 | 一种双向点云属性预测压缩方法，装置，设备及介质 |
| JP2024515203A (ja) * | 2021-04-21 | 2024-04-05 | エルジー エレクトロニクス インコーポレイティド | ポイントクラウドデータ送信装置、ポイントクラウドデータ送信方法、ポイントクラウドデータ受信装置及びポイントクラウドデータ受信方法 |
| CN117321991A (zh) * | 2021-06-11 | 2023-12-29 | Oppo广东移动通信有限公司 | 点云属性的预测方法、装置及编解码器 |
| KR20230008598A (ko) | 2021-07-07 | 2023-01-16 | 한국전자통신연구원 | 포인트 클라우드 데이터 압축 방법 및 장치 |
| KR20230153312A (ko) * | 2022-04-28 | 2023-11-06 | 인텔렉추얼디스커버리 주식회사 | 포인트 클라우드 압축 방법 및 장치 |
| EP4345752A1 (en) * | 2022-09-28 | 2024-04-03 | Beijing Xiaomi Mobile Software Co., Ltd. | Encoding/decoding positions of points of a point cloud comprised in cuboid volumes |
| WO2024085680A1 (ko) * | 2022-10-19 | 2024-04-25 | 엘지전자 주식회사 | 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11297346B2 (en) * | 2016-05-28 | 2022-04-05 | Microsoft Technology Licensing, Llc | Motion-compensated compression of dynamic voxelized point clouds |
| US10223810B2 (en) * | 2016-05-28 | 2019-03-05 | Microsoft Technology Licensing, Llc | Region-adaptive hierarchical transform and entropy coding for point cloud compression, and corresponding decompression |
| CN109716329B (zh) * | 2016-11-17 | 2023-07-28 | 谷歌有限责任公司 | 使用偏差来对点云进行k-d树编码 |
| EP3429212A1 (en) * | 2017-07-13 | 2019-01-16 | Thomson Licensing | A method and apparatus for encoding/decoding the geometry of a point cloud representing a 3d object |
| CN108335335B (zh) * | 2018-02-11 | 2019-06-21 | 北京大学深圳研究生院 | 一种基于增强图变换的点云属性压缩方法 |
| CN108833927B (zh) * | 2018-05-03 | 2019-08-16 | 北京大学深圳研究生院 | 一种基于删除量化矩阵中0元素的点云属性压缩方法 |
| WO2019230920A1 (ja) | 2018-06-01 | 2019-12-05 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 |
| CN110662087B (zh) | 2018-06-30 | 2021-05-11 | 华为技术有限公司 | 点云编解码方法和编解码器 |
| CN109257604B (zh) * | 2018-11-20 | 2020-11-27 | 山东大学 | 一种基于tmc3点云编码器的颜色属性编码方法 |
| WO2020218593A1 (ja) * | 2019-04-25 | 2020-10-29 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 |
| CN113875254A (zh) * | 2019-06-30 | 2021-12-31 | Oppo广东移动通信有限公司 | 变换方法、逆变换方法、编码器、解码器及存储介质 |
-
2020
- 2020-05-15 WO PCT/CN2020/090677 patent/WO2021000658A1/zh unknown
- 2020-05-15 CN CN202080035529.0A patent/CN113826385A/zh active Pending
- 2020-05-15 JP JP2021578172A patent/JP7490685B2/ja active Active
- 2020-05-15 KR KR1020217043227A patent/KR20220029595A/ko active Search and Examination
- 2020-05-15 CN CN202210037486.0A patent/CN114339215B/zh active Active
- 2020-05-15 EP EP20834209.7A patent/EP3979638A4/en active Pending
-
2021
- 2021-12-28 US US17/646,290 patent/US11509939B2/en active Active
-
2022
- 2022-10-12 US US17/964,242 patent/US11902588B2/en active Active
- 2022-10-12 US US17/964,458 patent/US11902589B2/en active Active
-
2024
- 2024-02-02 US US18/430,805 patent/US20240171779A1/en active Pending
- 2024-05-15 JP JP2024079614A patent/JP2024102344A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115102935A (zh) * | 2022-06-17 | 2022-09-23 | 腾讯科技（深圳）有限公司 | 一种点云编码方法、点云解码方法及相关设备 |
| CN115102935B (zh) * | 2022-06-17 | 2024-02-09 | 腾讯科技（深圳）有限公司 | 一种点云编码方法、点云解码方法及相关设备 |
| WO2024011370A1 (zh) * | 2022-07-11 | 2024-01-18 | Oppo广东移动通信有限公司 | 视频图像处理方法及装置、编解码器、码流、存储介质 |
| WO2024037247A1 (zh) * | 2022-08-19 | 2024-02-22 | 腾讯科技（深圳）有限公司 | 一种点云媒体的数据处理方法及相关设备 |
| WO2024037091A1 (zh) * | 2022-08-19 | 2024-02-22 | 腾讯科技（深圳）有限公司 | 一种点云处理方法、装置及计算机设备、存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114339215B (zh) | 2024-10-01 |
| JP2024102344A (ja) | 2024-07-30 |
| KR20220029595A (ko) | 2022-03-08 |
| US20230058703A1 (en) | 2023-02-23 |
| US20240171779A1 (en) | 2024-05-23 |
| EP3979638A4 (en) | 2022-09-21 |
| US11509939B2 (en) | 2022-11-22 |
| US11902588B2 (en) | 2024-02-13 |
| CN114339215A (zh) | 2022-04-12 |
| EP3979638A1 (en) | 2022-04-06 |
| US11902589B2 (en) | 2024-02-13 |
| JP2022539411A (ja) | 2022-09-08 |
| US20220124374A1 (en) | 2022-04-21 |
| US20230047499A1 (en) | 2023-02-16 |
| JP7490685B2 (ja) | 2024-05-27 |
| WO2021000658A1 (zh) | 2021-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114339215B (zh) | 点云编解码方法、编码器、解码器及计算机存储介质 | |
| CN113615181B (zh) | 用于点云编解码的方法、装置 | |
| US10904564B2 (en) | Method and apparatus for video coding | |
| US9532056B2 (en) | Method for adaptive entropy coding of tree structures | |
| WO2020072665A1 (en) | Hierarchical tree attribute coding in point cloud coding | |
| WO2020123469A1 (en) | Hierarchical tree attribute coding by median points in point cloud coding | |
| US11469771B2 (en) | Method and apparatus for point cloud compression | |
| US12020461B2 (en) | Method and apparatus for Haar-based point cloud coding | |
| WO2021184380A1 (zh) | 点云编码方法和解码方法、编码器、解码器、及存储介质 | |
| EP2723071A1 (en) | Encoder, decoder and method | |
| US20220207781A1 (en) | Transform method, inverse transform method, encoder, decoder and storage medium | |
| CN112514397A (zh) | 点云的编解码方法和装置 | |
| US20220180567A1 (en) | Method and apparatus for point cloud coding | |
| WO2021062771A1 (zh) | 颜色分量预测方法、编码器、解码器及计算机存储介质 | |
| WO2022261605A2 (en) | Method and apparatus for calculating distance based weighted average for point cloud coding | |
| CN114730474A (zh) | 点云处理方法、编码器、解码器及存储介质 | |
| WO2022217472A1 (zh) | 点云编解码方法、编码器、解码器及计算机可读存储介质 | |
| WO2024039703A1 (en) | Dynamic mesh geometry refinement | |
| WO2024086099A1 (en) | Dynamic mesh geometry displacements for a single video plane | |
| WO2024085936A1 (en) | System and method for geometry point cloud coding | |
| CN114868153A (zh) | 莫顿码的构建方法、编码器、解码器、及存储介质 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |